Rear cab air spoiler for pick up trucks



FIG. 1 is a perspective view of a rear cab air spoiler for pick up trucks showing my new design it being understood that the broken lines are for illustrative purposes only and form no part of the claimed design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is an inverted rear elevation view thereof;

FIG. 6 is a side elevation view thereof; and

FIG. 7 is a cross-sectional view thereof taken along line 7--7 in FIG. 3. 

The ornamental design for a rear cab air spoiler for pick up trucks, as shown and described. 